http://www.youtube.com/watch?feature=player_embedded&v=wuWDex5mh5Y

File this one in the “I don’t know if I buy it” category.

A French scientist, Pierre Calleja, claims to have developed a prototype algae driven street or room light that needs no external electricity, uses algae to charge it batteries and sucks CO2 from the air to help stop global climate change. While the promotional video is big on claims and short on evidence, and there are a ton of potential problems that spring quickly to mind, the idea of using algae cultures that home aquarists are used working with for more than feeding fish or growing larvae is certainly intriguing.

 

 

 

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